Structures and Functions

Which statement BEST describes a survival advantage apple trees could have compared to mosses in certain environments?

• A) Apple trees have easier access to surface water.

• B) Apples can be transported more easily by wind.

• C) Apple trees have shorter life spans.

• D) Apple seeds are eaten and moved to faraway locations by animals.

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NGSS.MS-LS2-1

Which statement BEST supports the answer to Part A?

• Wind easily moves apples to multiple locations away from the parent trees.

• Shorter life spans lead to increased growth and development of the apples.

• Apple seedlings will be less likely to compete with the parent tree for resources.

• Competition for water is not likely to occur, since the tree uses the surface water before the moss does.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which statement explains an advantage of a bone in the macaw’s tongue that the hornbill does NOT need?

• It helps macaws catch and chew small mammals and crustaceans.

• It helps macaws break open and eat tropical fruits and nuts.

• It helps macaws make large holes in trees to reach insects to eat.

• It helps macaws swallow whole prey.

Which statement explains why one organism is better adapted to the removal of the tall trees?

• The fungi are better adapted because they have spores that grow better in the dark.

• The ferns are better adapted because they have strong root systems.

• The fungi are better adapted because they can get energy from decaying trees.

• The ferns are better adapted because they get energy from the sun.

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NGSS.MS-LS2-1

The foot of a hawk and the foot of a chicken are shown. The difference between the shapes of their feet is most likely associated with the —

• A. predators that hunt them

• B. climate in which they live

• C. way they get their food

• D. distance they can fly

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NGSS.MS-LS4-2

What adaptation allows the owl to hunt effectively at night?

• D. Its long legs

• C. Its strong beak

• B. Its bright plumage

• A. Its ability to fly silently

Which feature of the camel is most beneficial for survival in a desert environment?

• D. Its colorful fur

• A. Its ability to run fast

• B. Its hump for storing fat

• C. Its sharp claws

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NGSS.MS-LS4-4

Why are the leaves of rainforest plants often large and broad?

• A. To absorb more sunlight in the dense forest

• B. To store more water

• C. To attract pollinators

• D. To deter herbivores

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